61 lines
757 B
Markdown
61 lines
757 B
Markdown
---
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id: 5900f48f1000cf542c50ffa2
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challengeType: 5
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videoUrl: ''
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title: 问题291：Panaitopol素数
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---
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## Description
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<section id="description">
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如果对于某些正整数x和y，素数p称为Panaitopol素数。
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找出多少个Panaitopol素数小于5×1015。
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</section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler291()</code>应该返回4037526。
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testString: assert.strictEqual(euler291(), 4037526);
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler291() {
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// Good luck!
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return true;
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}
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euler291();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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/section>
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